431284920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{823}}^1$

素因数の和:1245

約数の個数: 128

約数和(自身を含む): 1416752640

約数和(自身を除く): 985467720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 397, 440, 660, 794, 823, 1191, 1320, 1588, 1646, 1985, 2382, 2469, 3176, 3292, 3970, 4115, 4367, 4764, 4938, 5955, 6584, 7940, 8230, 8734, 9053, 9528, 9876, 11910, 12345, 13101, 15880, 16460, 17468, 18106, 19752, 21835, 23820, 24690, 26202, 27159, 32920, 34936, 36212, 43670, 45265, 47640, 49380, 52404, 54318, 65505, 72424, 87340, 90530, 98760, 104808, 108636, 131010, 135795, 174680, 181060, 217272, 262020, 271590, 326731, 362120, 524040, 543180, 653462, 980193, 1086360, 1306924, 1633655, 1960386, 2613848, 3267310, 3594041, 3920772, 4900965, 6534620, 7188082, 7841544, 9801930, 10782123, 13069240, 14376164, 17970205, 19603860, 21564246, 28752328, 35940410, 39207720, 43128492, 53910615, 71880820, 86256984, 107821230, 143761640, 215642460, 431284920]

約数ペア:

[(1, 431284920), (2, 215642460), (3, 143761640), (4, 107821230), (5, 86256984), (6, 71880820), (8, 53910615), (10, 43128492), (11, 39207720), (12, 35940410), (15, 28752328), (20, 21564246), (22, 19603860), (24, 17970205), (30, 14376164), (33, 13069240), (40, 10782123), (44, 9801930), (55, 7841544), (60, 7188082), (66, 6534620), (88, 4900965), (110, 3920772), (120, 3594041), (132, 3267310), (165, 2613848), (220, 1960386), (264, 1633655), (330, 1306924), (397, 1086360), (440, 980193), (660, 653462), (794, 543180), (823, 524040), (1191, 362120), (1320, 326731), (1588, 271590), (1646, 262020), (1985, 217272), (2382, 181060), (2469, 174680), (3176, 135795), (3292, 131010), (3970, 108636), (4115, 104808), (4367, 98760), (4764, 90530), (4938, 87340), (5955, 72424), (6584, 65505), (7940, 54318), (8230, 52404), (8734, 49380), (9053, 47640), (9528, 45265), (9876, 43670), (11910, 36212), (12345, 34936), (13101, 32920), (15880, 27159), (16460, 26202), (17468, 24690), (18106, 23820), (19752, 21835)]